A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted in the Last 31 Days

Compiled at 1925 UTC on 14 November 2018

[ The Tracking News | ephemerides | cleared ]

Notes: The time horizon for JPL is 100 years from today and for NEODyS is usually the year 2090. Both risk monitors also post a few special objects with impact solutions beyond 100 years. For the latest official risk assessments, and for explanations of terminology and methodology, see NASA/JPL Sentry and NEODyS CLOMON2.
0000NNN000

Object

Risk
Monitor
 A/CC  Noted 
 Time & Day 
UTC
0000T0000
Year
Range

VI
#
000NN00
Prob
Cum
T0000
PS
Cum
T0000
PS
Max

T
S


Notes for Latest Risk Assessments
2018 VX8JPL Sentry1900 Nov. 142060-211062.98629e-06-4.21-4.360Computed at 09:02 Nov. 14th Pacific time based on 27 observations spanning 3.8002 days (2018-Nov-10.43278 to 2018-Nov-14.23296). Diameter approximately 0.100 km. from weighted mean H=22.55.
An assessment posting was noted by A/CC on 14 Nov.   -   References: MPEC 2018-V193
2018 VQ8NEODyS1900 Nov. 14208411.32e-10-10.05-10.050Based on 22 optical observations (of which 1 are rejected as outliers) from 2018-11-12.156 to 2018-11-14.101.
An assessment posting was noted by A/CC on 14 Nov.   -   References: MPEC 2018-V190
2018 VL8NEODyS1900 Nov. 142033-208731.59e-06-4.01-4.020Based on 23 optical observations (of which 0 are rejected as outliers) from 2018-11-10.210 to 2018-11-14.154.
JPL Sentry0607 Nov. 142033-207221.75132e-06-3.97-3.980Computed at 21:56 Nov. 13th Pacific time based on 23 observations spanning 3.9438 days (2018-Nov-10.20912 to 2018-Nov-14.152931). Diameter approximately 0.096 km. from weighted mean H=22.74.
Assessment postings were noted by A/CC on 14 Nov.   -   References: MPEC 2018-V183
2018 VA8NEODyS1900 Nov. 142098-21161022.41e-05-5.78-6.380Based on 23 optical observations (of which 0 are rejected as outliers) from 2018-11-12.290 to 2018-11-13.322.
JPL Sentry1802 Nov. 132098-2116382.42343429e-05-5.76-6.270Computed at 09:35 Nov. 13th Pacific time based on 23 observations spanning 1.0323 days (2018-Nov-12.28874 to 2018-Nov-13.32103). Diameter approximately 0.014 km. from weighted mean H=26.89.
Assessment postings were noted by A/CC on 13 Nov. & 14 Nov.   -   References: MPEC 2018-V181
2018 VC7NEODyS1900 Nov. 142049-2117701.21e-04-5.19-5.310Based on 25 optical observations (of which 0 are rejected as outliers) from 2018-11-10.546 to 2018-11-11.300.
JPL Sentry1930 Nov. 112049-2117287.256834e-06-6.69-7.580Computed at 11:12 Nov. 11th Pacific time based on 25 observations spanning .75408 days (2018-Nov-10.545502 to 2018-Nov-11.29958). Diameter approximately 0.011 km. from weighted mean H=27.40.
Assessment postings were noted by A/CC on 11 Nov. & 14 Nov.   -   References: MPEC 2018-V160
2018 VS6NEODyS1900 Nov. 142083-2118553.52e-04-4.49-4.57-Based on 64 optical observations (of which 0 are rejected as outliers) from 2018-11-09.545 to 2018-11-12.671.
JPL Sentry1710 Nov. 132083-2118190.000277324373-4.58-4.660Computed at 07:06 Nov. 13th Pacific time based on 64 observations spanning 3.1259 days (2018-Nov-09.544497 to 2018-Nov-12.67042). Diameter approximately 0.014 km. from weighted mean H=26.88.
Assessment postings were noted by A/CC on 11 Nov., 12 Nov., 13 Nov. & 14 Nov.   -   References: MPEC 2018-V148 plus DOUs 2018-V166 & 2018-V178
2018 VP6NEODyS1900 Nov. 142088-209637.94e-07-7.12-7.410Based on 13 optical observations (of which 1 are rejected as outliers) from 2018-11-10.279 to 2018-11-11.174.
JPL Sentry1630 Nov. 122088-208831.1616766e-06-7.05-7.290Computed at 08:05 Nov. 12th Pacific time based on 20 observations spanning 1.9081 days (2018-Nov-10.2782 to 2018-Nov-12.1863). Diameter approximately 0.013 km. from weighted mean H=27.03.
Assessment postings were noted by A/CC on 11 Nov., 12 Nov. & 14 Nov.   -   References: MPEC 2018-V140 plus DOU 2018-V166
2018 VO6NEODyS1900 Nov. 142048-2097146.0e-05-3.65-3.690Based on 36 optical observations (of which 0 are rejected as outliers) from 2018-11-05.411 to 2018-11-12.276.
JPL Sentry1630 Nov. 122048-205945.567373e-05-3.67-3.690Computed at 08:13 Nov. 12th Pacific time based on 36 observations spanning 6.8642 days (2018-Nov-05.410654 to 2018-Nov-12.27487). Diameter approximately 0.047 km. from weighted mean H=24.29.
Assessment postings were noted by A/CC on 11 Nov., 12 Nov. & 14 Nov.   -   References: MPEC 2018-V139 plus DOU 2018-V166
2018 VT5NEODyS1900 Nov. 142078-2118945.05e-05-6.26-6.94-Based on 19 optical observations (of which 0 are rejected as outliers) from 2018-11-08.275 to 2018-11-11.229.
JPL Sentry1630 Nov. 122078-2117403.5008185e-05-6.40-6.950Computed at 08:08 Nov. 12th Pacific time based on 19 observations spanning 2.9542 days (2018-Nov-08.27373 to 2018-Nov-11.22789). Diameter approximately 0.007 km. from weighted mean H=28.42.
Assessment postings were noted by A/CC on 10 Nov., 11 Nov., 12 Nov. & 14 Nov.   -   References: MPEC 2018-V117 plus DOUs 2018-V150 & 2018-V166
2018 VD5NEODyS1900 Nov. 14210511.51e-08-9.58-9.580Based on 30 optical observations (of which 1 are rejected as outliers) from 2018-11-07.270 to 2018-11-10.124.
Assessment postings were noted by A/CC on 10 Nov. & 14 Nov.   -   References: MPEC 2018-V102 plus DOU 2018-V131
2018 VP1JPL Sentry1700 Nov. 92020-202530.003467502-3.90-3.900Computed at 07:01 Nov. 9th Pacific time based on 18 observations spanning 5.2366 days (2018-Nov-03.272495 to 2018-Nov-08.509057). Diameter approximately 0.002 km. from weighted mean H=30.77.
NEODyS1600 Nov. 82020-2043112.81e-03-4.00-4.00Based on 17 optical observations (of which 0 are rejected as outliers) from 2018-11-03.273 to 2018-11-06.558.
Assessment postings were noted by A/CC on 4 Nov., 5 Nov., 7 Nov., 8 Nov. & 9 Nov.   -   References: MPEC 2018-V42 plus DOUs 2018-V62 & 2018-V64
2018 VCNEODyS1900 Nov. 142108-2118164.48e-06-6.46-6.8-Based on 111 optical observations (of which 0 are rejected as outliers) from 2018-11-01.250 to 2018-11-12.170.
JPL Sentry1630 Nov. 122109-2117106.0515e-06-6.32-6.630Computed at 08:04 Nov. 12th Pacific time based on 111 observations spanning 10.921 days (2018-Nov-01.24873 to 2018-Nov-12.16929). Diameter approximately 0.019 km. from weighted mean H=26.30.
Assessment postings were noted by A/CC on 2 Nov., 3 Nov., 5 Nov., 6 Nov., 7 Nov., 8 Nov., 9 Nov., 10 Nov., 11 Nov., 12 Nov. & 14 Nov.   -   References: MPEC 2018-V07 plus DOUs 2018-V43, 2018-V49, 2018-V62, 2018-V63, 2018-V64, 2018-V131, 2018-V150 & 2018-V166
2018 UO1NEODyS1630 Oct. 23206513.03e-10-10.37-10.370Based on 25 optical observations (of which 0 are rejected as outliers) from 2018-10-20.392 to 2018-10-21.380.
An assessment posting was noted by A/CC on 23 Oct.   -   References: MPEC 2018-U51 plus DOU 2018-U56
2018 UM1JPL Sentry1900 Nov. 14R E M O V E DRisk listing removed at 1502 UTC Nov. 14th
NEODyS1900 Nov. 142095-211231.64e-09-8.50-8.540Based on 172 optical observations (of which 0 are rejected as outliers) from 2018-10-19.146 to 2018-11-14.237.
Assessment postings were noted by A/CC on 21 Oct., 23 Oct., 24 Oct., 25 Oct., 26 Oct., 27 Oct., 28 Oct., 29 Oct., 30 Oct., 31 Oct., 1 Nov., 2 Nov., 3 Nov., 4 Nov., 6 Nov., 7 Nov., 8 Nov., 9 Nov., 10 Nov., 11 Nov., 12 Nov. & 14 Nov.   -   References: MPEC 2018-U47 plus DOUs 2018-U49, 2018-U61, 2018-U67, 2018-U69, 2018-U74, 2018-U76, 2018-U80, 2018-U88, 2018-U90, 2018-V01, 2018-V13, 2018-V16, 2018-V29, 2018-V49, 2018-V62, 2018-V63, 2018-V64, 2018-V131, 2018-V150, 2018-V166 & 2018-V191
2018 ULJPL Sentry1630 Oct. 212097-209713.552e-07-8.83-8.830Computed at 08:19 Oct. 21st Pacific time based on 43 observations spanning 3.1023 days (2018-Oct-18.21822 to 2018-Oct-21.32055). Diameter approximately 0.005 km. from weighted mean H=29.16.
An assessment posting was noted by A/CC on 21 Oct.   -   References: MPEC 2018-U30 plus DOU 2018-U49
2018 TT6NEODyS1630 Oct. 262063-209421.89e-10-11.04-11.060Based on 10 optical observations (of which 0 are rejected as outliers) from 2018-10-05.295 to 2018-10-05.449.
An assessment posting was noted by A/CC on 26 Oct.   -   References: DOU 2018-U61
2018 TS6NEODyS1630 Oct. 262068-2117122.35e-06-7.49-7.820Based on 6 optical observations (of which 0 are rejected as outliers) from 2018-10-03.498 to 2018-10-05.171.
JPL Sentry2252 Oct. 252064-2117195.1875108e-06-7.21-7.410Computed at 12:40 Oct. 25th Pacific time based on 6 observations spanning 1.6728 days (2018-Oct-03.49719 to 2018-Oct-05.16996). Diameter approximately 0.008 km. from weighted mean H=28.17.
Assessment postings were noted by A/CC on 25 Oct. & 26 Oct.   -   References: DOU 2018-U61
2018 TJ6NEODyS1900 Nov. 14211134.02e-08-7.00-7.00Based on 53 optical observations (of which 0 are rejected as outliers) from 2018-10-15.516 to 2018-11-10.362.
JPL Sentry1630 Nov. 102111-211111.884e-09-8.32-8.320Computed at 07:02 Nov. 10th Pacific time based on 53 observations spanning 25.846 days (2018-Oct-15.51484 to 2018-Nov-10.36132). Diameter approximately 0.067 km. from weighted mean H=23.51.
Assessment postings were noted by A/CC on 17 Oct., 18 Oct., 19 Oct., 20 Oct., 21 Oct., 23 Oct., 26 Oct., 27 Oct., 28 Oct., 29 Oct., 30 Oct., 3 Nov., 4 Nov., 8 Nov., 9 Nov., 10 Nov. & 14 Nov.   -   References: MPEC 2018-U11 plus DOUs 2018-U15, 2018-U18, 2018-U33, 2018-U71, 2018-U74, 2018-U80, 2018-U88, 2018-V16, 2018-V29, 2018-V63, 2018-V64 & 2018-V131
2018 TG6NEODyS1900 Nov. 14211122.93e-08-9.16-9.460Based on 110 optical observations (of which 1 are rejected as outliers) from 2018-10-15.453 to 2018-11-12.255.
JPL Sentry1539 Oct. 28R E M O V E DRisk listing removed at 1421 UTC Oct. 28th
Assessment postings were noted by A/CC on 17 Oct., 18 Oct., 19 Oct., 20 Oct., 21 Oct., 26 Oct., 27 Oct., 28 Oct., 30 Oct., 3 Nov. & 14 Nov.   -   References: MPEC 2018-U09 plus DOUs 2018-U15, 2018-U18, 2018-U33, 2018-U71, 2018-U74, 2018-U76, 2018-U80, 2018-V13, 2018-V16, 2018-V29, 2018-V43, 2018-V49, 2018-V62, 2018-V63, 2018-V131, 2018-V150 & 2018-V166
2018 TP5NEODyS2039 Nov. 42085-2108358.69e-05-4.63-4.690Based on 36 optical observations (of which 0 are rejected as outliers) from 2018-10-10.316 to 2018-11-02.341.
JPL Sentry1900 Nov. 42086-2102130.0001533425894-4.37-4.400Computed at 06:31 Nov. 4th Pacific time based on 36 observations spanning 23.024 days (2018-Oct-10.3155 to 2018-Nov-02.339873). Diameter approximately 0.025 km. from weighted mean H=25.64.
Assessment postings were noted by A/CC on 18 Oct., 19 Oct., 20 Oct., 21 Oct. & 4 Nov.   -   References: DOUs 2018-U15, 2018-U18, 2018-U33, 2018-U49 & 2018-V29
2018 TY4NEODyS1900 Nov. 14203313.19e-04-4.52-4.520Based on 23 optical observations (of which 0 are rejected as outliers) from 2018-10-10.297 to 2018-11-10.146.
JPL Sentry1710 Nov. 132033-203313.134e-04-4.51-4.510Computed at 06:57 Nov. 13th Pacific time based on 23 observations spanning 30.849 days (2018-Oct-10.29667 to 2018-Nov-10.145307). Diameter approximately 0.008 km. from weighted mean H=28.12.
Assessment postings were noted by A/CC on 13 Nov. & 14 Nov.   -   References: DOU 2018-V178
2018 TRNEODyS1900 Nov. 14210511.09e-11-11.61-11.610Based on 79 optical observations (of which 1 are rejected as outliers) from 2018-10-02.311 to 2018-11-10.299.
JPL Sentry1700 Nov. 9R E M O V E DRisk listing removed at 1504 UTC Nov. 9th
Assessment postings were noted by A/CC on 15 Oct., 16 Oct., 18 Oct., 19 Oct., 20 Oct., 29 Oct., 30 Oct., 1 Nov., 3 Nov., 4 Nov., 9 Nov., 10 Nov. & 14 Nov.   -   References: DOUs 2018-T176, 2018-U15, 2018-U18, 2018-U80, 2018-V01, 2018-V16, 2018-V29, 2018-V64 & 2018-V166
2018 TBNEODyS1900 Nov. 14210311.17e-06-6.17-6.170Based on 192 optical observations (of which 1 are rejected as outliers) from 2018-10-02.423 to 2018-11-09.513.
JPL Sentry1630 Nov. 102103-210311.062e-06-6.20-6.200Computed at 06:58 Nov. 10th Pacific time based on 186 observations spanning 38.090 days (2018-Oct-02.42196 to 2018-Nov-09.51219). Diameter approximately 0.037 km. from weighted mean H=24.81.
Assessment postings were noted by A/CC on 18 Oct., 19 Oct., 20 Oct., 21 Oct., 22 Oct., 23 Oct., 3 Nov., 4 Nov., 6 Nov., 8 Nov., 9 Nov., 10 Nov. & 14 Nov.   -   References: DOUs 2018-U15, 2018-U33, 2018-U49, 2018-U56, 2018-V16, 2018-V49, 2018-V64 & 2018-V131
2018 SV13NEODyS1630 Oct. 262020-2118764.43e-06-5.15-5.64-Based on 5 optical observations (of which 0 are rejected as outliers) from 2018-09-28.682 to 2018-09-29.771.
An assessment posting was noted by A/CC on 26 Oct.   -   References: DOU 2018-U61
2018 NLNEODyS1530 Oct. 162060-2115385.25e-05-4.63-5.020Based on 36 optical observations (of which 0 are rejected as outliers) from 2018-07-03.404 to 2018-10-15.224.
JPL Sentry1635 Oct. 152064-2114223.774389e-05-4.86-5.390Computed at 09:05 Oct. 15th Pacific time based on 36 observations spanning 103.82 days (2018-Jul-03.40294 to 2018-Oct-15.223076). Diameter approximately 0.028 km. from weighted mean H=25.39.
Assessment postings were noted by A/CC on 15 Oct. & 16 Oct.   -   References: DOU 2018-T176
2014 HS197NEODyS1630 Oct. 262061-209535.75e-07-8.32-8.320Based on 18 optical observations (of which 2 are rejected as outliers) from 2014-04-23.085 to 2014-04-25.233.
JPL Sentry2252 Oct. 252061-207827.7128e-08-9.15-9.170Computed at 09:58 Oct. 25th Pacific time based on 31 observations spanning 2.1480 days (2014-Apr-23.0841 to 2014-Apr-25.23209). Diameter approximately 0.004 km. from weighted mean H=29.42.
Assessment postings were noted by A/CC on 25 Oct. & 26 Oct.   -   References: DOU 2018-U69
2014 HR197JPL Sentry1700 Oct. 312019-21121947.78473e-08-7.25-8.300Computed at 10:48 April 9th of 2017 Pacific time based on 15 observations spanning .95899 days (2014-Apr-24.15618 to 2014-Apr-25.11517). Diameter approximately 0.014 km. from weighted mean H=26.93.
Assessment postings were noted by A/CC on 28 Oct., 29 Oct. & 31 Oct.   -   References: no recent MPECs
2010 VP139JPL Sentry1710 Nov. 132019-21163861.39132249e-05-6.53-7.860Computed at 15:22 April 7th of 2017 Pacific time based on 12 observations spanning .04588 days (2010-Nov-14.27911 to 2010-Nov-14.32499). Diameter approximately 0.006 km. from weighted mean H=28.60.
An assessment posting was noted by A/CC on 13 Nov.   -   References: no recent MPECs
2010 MY112NEODyS1530 Oct. 162018-2107392.74e-08-4.90-5.850Based on 19 optical observations (of which 1 are rejected as outliers) from 2010-06-23.612 to 2010-06-25.134.
JPL Sentry1500 Oct. 152022-2092281.1329e-08-4.65-5.160Computed at 07:47 Oct. 15th Pacific time based on 18 observations spanning 1.5218 days (2010-Jun-23.611671 to 2010-Jun-25.133483). Diameter approximately 0.370 km. from weighted mean H=21.00.
Assessment postings were noted by A/CC on 15 Oct. & 16 Oct.   -   References: DOU 2018-T176
2010 KV21JPL Sentry1806 Oct. 232021-2116172.3917e-08-3.14-3.320Computed at 11:01 Oct. 23rd Pacific time based on 20 observations spanning 4.2997 days (2010-May-17.927225 to 2010-May-22.22691). Diameter approximately 1.200 km. from weighted mean H=17.25.
An assessment posting was noted by A/CC on 23 Oct.   -   References: no recent MPECs
2010 GK23NEODyS1530 Oct. 16209112.86e-10-6.85-6.850Based on 49 optical observations (of which 0 are rejected as outliers) from 2010-04-04.075 to 2010-04-12.388.
An assessment posting was noted by A/CC on 16 Oct.   -   References: DOU 2018-T176
2009 VZ39JPL Sentry1710 Nov. 132018-21169097.071014e-06-6.23-7.600Computed at 11:17 April 7th of 2017 Pacific time based on 8 observations spanning .04342 days (2009-Nov-10.27204 to 2009-Nov-10.31546). Diameter approximately 0.009 km. from weighted mean H=27.89.
An assessment posting was noted by A/CC on 13 Nov.   -   References: no recent MPECs
2008 VLJPL Sentry1640 Nov. 22019-21166331.15638121e-05-6.37-7.550Computed at 10:17 April 8th of 2017 Pacific time based on 8 observations spanning .12404 days (2008-Nov-02.31035 to 2008-Nov-02.43439). Diameter approximately 0.009 km. from weighted mean H=27.96.
An assessment posting was noted by A/CC on 2 Nov.   -   References: no recent MPECs
2008 UM1JPL Sentry1806 Oct. 232021-207375.35401e-07-8.28-8.340Computed at 15:22 April 7th of 2017 Pacific time based on 9 observations spanning .03061 days (2008-Oct-22.39434 to 2008-Oct-22.42495). Diameter approximately 0.002 km. from weighted mean H=31.60.
An assessment posting was noted by A/CC on 23 Oct.   -   References: no recent MPECs
C   L   E   A   R   E   D
2018 VG3NEODyS1900 Nov. 11R E M O V E D
JPL Sentry1630 Nov. 10R E M O V E DRisk listing removed at 1503 UTC Nov. 10th
Assessment postings were noted by A/CC on 10 Nov. & 11 Nov.   -   References: MPEC 2018-V66 plus DOUs 2018-V131, 2018-V150 & 2018-V166
2018 UN1JPL Sentry1708 Oct. 27R E M O V E DRisk listing removed at 1514 UTC Oct. 27th
Assessment postings were noted by A/CC on 21 Oct. & 27 Oct.   -   References: MPEC 2018-U50 plus DOUs 2018-U74, 2018-U76, 2018-V01, 2018-V13, 2018-V29, 2018-V43, 2018-V49, 2018-V62, 2018-V150, 2018-V166 & 2018-V178
2018 UYJPL Sentry1630 Oct. 21R E M O V E DRisk listing removed at 1500 UTC Oct. 21st
Assessment postings were noted by A/CC on 20 Oct. & 21 Oct.   -   References: MPEC 2018-U35 plus DOUs 2018-U49, 2018-V01, 2018-V13, 2018-V49, 2018-V62, 2018-V64 & 2018-V166
2018 UHNEODyS1900 Nov. 4R E M O V E D
JPL Sentry1630 Nov. 3R E M O V E DRisk listing removed at 1505 UTC Nov. 3rd
Assessment postings were noted by A/CC on 19 Oct., 20 Oct., 21 Oct., 22 Oct., 23 Oct., 27 Oct., 28 Oct., 3 Nov. & 4 Nov.   -   References: MPEC 2018-U27 plus DOUs 2018-U33, 2018-U49, 2018-U56, 2018-U74, 2018-V16 & 2018-V64
2018 TA5NEODyS1535 Oct. 15R E M O V E D
An assessment posting was noted by A/CC on 15 Oct.   -   References: DOUs 2018-T176 & 2018-U02
2018 TZ4NEODyS1630 Oct. 23R E M O V E D
Assessment postings were noted by A/CC on 16 Oct., 20 Oct. & 23 Oct.   -   References: DOUs 2018-T176, 2018-U06, 2018-U15, 2018-U18, 2018-U49 & 2018-U80
2018 TF3NEODyS1601 Oct. 16R E M O V E D
JPL Sentry1535 Oct. 15R E M O V E DRisk listing removed at 1514 UTC Oct. 15th
Assessment postings were noted by A/CC on 14 Oct., 15 Oct. & 16 Oct.   -   References: DOUs 2018-T170, 2018-T176, 2018-U02, 2018-U15, 2018-U18, 2018-U33, 2018-U49, 2018-U56, 2018-U74, 2018-U80, 2018-U88, 2018-U90, 2018-V01, 2018-V13, 2018-V16 & 2018-V29
2018 TS2NEODyS1601 Oct. 16R E M O V E D
An assessment posting was noted by A/CC on 16 Oct.   -   References: DOUs 2018-T176, 2018-U02, 2018-U06, 2018-U18 & 2018-U49
2018 SN3JPL Sentry1622 Oct. 17R E M O V E DRisk listing removed at 1600 UTC Oct. 17th
An assessment posting was noted by A/CC on 17 Oct.   -   References: DOU 2018-U06
2018 SC1JPL Sentry1500 Oct. 15R E M O V E DRisk listing removed at 1455 UTC Oct. 15th
An assessment posting was noted by A/CC on 15 Oct.   -   References: DOU 2018-T176
2016 JP38JPL Sentry2252 Oct. 25R E M O V E DRisk listing removed at 1929 UTC Oct. 25th
An assessment posting was noted by A/CC on 25 Oct.   -   References: DOU 2018-U61

Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale (next 100 years)

For a list of risk-rated objects currently under observation, see our ephemerides page.

An impact solution, also known as a "virtual impactor" (VI), is not a prediction but rather a possibility derived from a variant orbit calculation that cannot be eliminated yet based on the existing data. Elimination can come quickly with just a little further observation or may take weeks or months, sometimes years. Once superceded or eliminated, a former impact solution has zero relevance to an object's risk. See Jon Giorgini's "Understanding Risk Pages" for more information.


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